import java.util.Scanner;
public class Main {
    public static void main(String[] args) {

    }
    public static void main1(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int a = in.nextInt();
            for(int i = 1;i <= a;i++) {
                for(int j = 1;j <= a;j++) {
                    if(i == j ||(i + j) == (a + 1)) {
                        System.out.print("*");
                    } else {
                        System.out.print(" ");
                    }
                    if (j == a) {
                        System.out.println("");
                    }
                }
            }
        }

  }

}